Patents by Inventor Xiuzhu TANG

Xiuzhu TANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190206294
    Abstract: The present disclosure proposes a shift register circuit and a method for driving the same, a gate driving circuit and a method for driving the same, and a display apparatus. The shift register circuit comprises an input circuit, a reset circuit, a control circuit and a multi-output circuit.
    Type: Application
    Filed: July 27, 2018
    Publication date: July 4, 2019
    Inventors: Zhenguo Tian, Shuai Chen, Xiuzhu Tang, Shuang Hu, Lijun Xiong, Xing Dong, Taoliang Tang, Xuebo Liang, Zhi Zhang
  • Publication number: 20190206297
    Abstract: An amplitude control main circuit, a voltage supply modular circuit, a display device, and an amplitude control method are provided. The amplitude control main circuit includes a variable resistive circuit, an output control circuit and a gate-driving-power-voltage output terminal; the output control circuit is connected to an output control terminal, a voltage input terminal, the gate-driving-power-voltage output terminal, and the variable resistive circuit, and controls, under control of the output control terminal, the gate-driving-power-voltage output terminal to be connected to the voltage input terminal directly or via the variable resistive circuit; a control terminal, a first terminal, and a second terminal of the variable resistive circuit are connected to a resistance control terminal, the output control circuit, and the gate-driving-power-voltage output terminal, respectively, and a resistance value of the variable resistive circuit is changed under control of the resistance control terminal.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 4, 2019
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xing DONG, Heecheol KIM, Zhi ZHANG, Xiuzhu TANG, Shuai CHEN, Lijun XIONG, Jingpeng ZHAO, Taoliang TANG, Min RAN
  • Publication number: 20190189234
    Abstract: A shift register unit includes a first output control circuit, a first output circuit, a second output control circuit, a second output circuit, a reset circuit, and a node set circuit. The node set circuit is configured to periodically transfer a first voltage having an inactive level to a first node within the shift register unit during being enabled.
    Type: Application
    Filed: May 30, 2018
    Publication date: June 20, 2019
    Inventors: Shuai CHEN, Zhi ZHANG, Xiuzhu TANG, Yuanbo ZHANG, Zhihui WANG, Qian QIAN, Lijun XIONG, Tao ZHOU, Xing DONG
  • Patent number: 10304403
    Abstract: The present disclosure provides a display drive circuit for driving a display panel having a plurality of pixels. The display drive circuit comprises a stepping unit, configured to shape a gate voltage signal to compensate for pixel-to-pixel charging variations to thereby reduce luminance variations on the display panel. The display drive circuit can further include a time sequence control unit and a modulation unit. The time sequence control unit can be coupled to the modulation unit, and can be configured to generate a first control signal; and the modulation unit can be configured to utilize the first control signal to modulate a preset signal to thereby generate a second control signal; and the stepping unit can be coupled to the modulation unit, and can be configured to shape the gate voltage signal based on the second control signal prior to outputting the gate voltage signal.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: May 28, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shuai Chen, Zhi Zhang, Siqing Fu, Lisheng Liang, Xianyong Gao, Jianghong Wen, Qian Qian, Xiuzhu Tang, Zhihui Wang, Lei Chen, Taoliang Tang, Gang Chen
  • Publication number: 20190130865
    Abstract: The present disclosure provides a control circuit, a control method, and a display apparatus. The control sub-circuit is connected to a first voltage input terminal, a second voltage input terminal and the driving sub-circuit, and configured to boost a second voltage input from the second voltage input terminal to obtain a third voltage when it is detected that a first voltage input from the first voltage input terminal is lower than or equal to a first reference voltage, and output the third voltage to the driving sub-circuit; the driving sub-circuit is connected to the control sub-circuit, a fourth voltage input terminal and scan lines of a display panel, and configured to output the third voltage to the scan lines when it is detected that a fourth voltage input from the fourth voltage input terminal is lower than or equal to a second reference voltage.
    Type: Application
    Filed: September 12, 2018
    Publication date: May 2, 2019
    Inventors: Lijun Xiong, Xiuzhu Tang, Zhi Zhang, Shuai Chen, Xing Dong, Taoliang Tang, Jingpeng Zhao, Zhenguo Tian, Xuebo Liang, Shuang Hu
  • Publication number: 20190096307
    Abstract: The present application discloses a shift register unit and a method for driving the same, a gate driving circuit, an array substrate, and a display apparatus. The shift register unit includes an input sub-circuit; a first output sub-circuit configured to output a first output signal to an output signal terminal, so that the output signal terminal outputs a gate driving signal having a first valid level; and a second output sub-circuit configured to output a second output signal to the output signal terminal, so that the output signal terminal outputs a gate driving signal having a second valid level, wherein an absolute value of the second valid signal is greater than an absolute value of the first valid level.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 28, 2019
    Inventors: Xuebo Liang, Zhi Zhang, Xiuzhu Tang, Qian Qian, Taoliang Tang
  • Publication number: 20190073972
    Abstract: A driving method for a display panel, a driving device for a display panel and a display panel in the field of display technology are disclosed. The driving method for a display panel, after the display panel is powered on and before its boot is formally completed, includes steps of: obtaining a first resolution of a to-be-displayed picture and/or text for a turn-on welcome tableau and a second resolution of a display screen, respectively, reconstructing the to-be-displayed picture and/or text according to the second resolution of the display screen, such that the resolution of the reconstructed to-be-displayed picture and/or text is adapted to the second resolution of the display screen, and transferring the reconstructed to-be-displayed picture and/or text to the display screen for display.
    Type: Application
    Filed: October 17, 2017
    Publication date: March 7, 2019
    Inventors: Xianyong GAO, Shuai HOU, Lijun XIAO, Xu LU, Siqing FU, Bo XU, Lisheng LIANG, Qiang YU, Xiaojun ZUO, Shuai CHEN, Xiuzhu TANG, Fei SHANG
  • Publication number: 20190066614
    Abstract: The disclosure discloses an array substrate, a method for driving the same and a display device. The array substrate includes: a plurality of pixel elements, all pixel elements in each column being connected on two data lines and two gate lines, each pixel element in each column is electrically connected with a first data line through a first switch transistor and electrically connected with a second data line through a second switch transistor; all gates of first switch transistors connected with respective pixel elements in each row are connected on a first gate line, all gates of second switch transistors connected with the respective pixel elements in each row are connected on a second gate line; and a first data line and a second data line shared by each column are located respectively on two sides of said column and have drive voltage with opposite polarities and equal amplitudes.
    Type: Application
    Filed: June 20, 2018
    Publication date: February 28, 2019
    Inventors: Xiuzhu Tang, Tae Yup Min, Heecheol Kim, Lijun Xiong, Zhihui Wang, Taoliang Tang, Changgong Zhu
  • Publication number: 20190057668
    Abstract: The disclosure discloses a display drive circuit, a display device, and a method for driving the same, where the display drive circuit includes a control circuit arranged between a power supply management circuit and a level conversion circuit, and the control circuit is configured to boost a standard gate turn-on voltage signal provided by the power supply management circuit, and to generate and then output a higher gate turn-on voltage signal to the level conversion circuit, upon determining that an ambient temperature is below a set temperature, and/or an output of a gate drive circuit of a display panel is abnormal, so that the level conversion circuit generates and then outputs a corresponding gate drive signal at higher voltage.
    Type: Application
    Filed: June 12, 2018
    Publication date: February 21, 2019
    Inventors: Lijun XIONG, Zhi ZHANG, Heecheol KIM, Xiuzhu TANG, Shuai CHEN, Jingpeng ZHAO, Xing DONG, Xiaolong LIU, Gang CHEN, Yanli ZHAO
  • Publication number: 20190041703
    Abstract: The present disclosure relates to a display device, a liquid crystal display panel and a driving method for a liquid crystal display panel. The liquid crystal display panel includes: an array substrate including a plurality of sub-pixels having active display areas, each of the sub-pixels including a plurality of first electrodes, and a first slit being disposed between adjacent first electrodes; an opposite substrate facing the array substrate, wherein a first surface of the opposite substrate facing the array substrate includes at least a target area facing an edge area of the active display area; and a control electrode disposed in the target area and opposite to the first electrode, for generating an electric field in a target direction with the first electrode, so as to control liquid crystals between an edge area of the array substrate and the target area of the opposite substrate to be deflected.
    Type: Application
    Filed: March 26, 2018
    Publication date: February 7, 2019
    Inventors: Yanli ZHAO, Xiaoji LI, Keguo LIU, Xiuzhu TANG, Xiaolong LIU, He SUN
  • Publication number: 20190006490
    Abstract: A thin film transistor, a method for fabricating the same, a display device, and an exposure device are disclosed. The method comprises: patterning a source and drain layer by using a single slit mask and an exposure machine, to form a source, a drain, and an active region of the thin film transistor; wherein a pattern resolution of the single slit mask is not larger than a resolution of the exposure machine to form a groove shaped exposure pattern, wherein the groove shaped exposure pattern corresponds to the active region.
    Type: Application
    Filed: April 13, 2018
    Publication date: January 3, 2019
    Inventors: Zhuo XU, Ming DENG, Zhihui WANG, Xiuzhu TANG, Shuai CHEN, Zhenguo TIAN, Keguo LIU, Yanli ZHAO
  • Patent number: 10168572
    Abstract: The present disclosure provides a display device and a backlight source. The display device includes a liquid crystal panel and a backlight source. The liquid crystal panel includes a color filter substrate, an array substrate arranged opposite to the color filter substrate, and a blue phase liquid crystal layer arranged between the color filter substrate and the array substrate. A first driving electrode is arranged at a side of the color filter substrate facing the array substrate, and a second driving electrode is arranged at a side of the array substrate facing the color filter substrate. The backlight source includes: a light guide plate; and a composite layer arranged at a light-exiting surface of the light guide plate and including a plurality of dielectric layers whose refractive indices decrease gradually in a direction away from the light-exiting surface of the light guide plate.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: January 1, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yanli Zhao, Xiaoji Li, Xiuzhu Tang, Keguo Liu, Changgong Zhu, Jianghong Wen, Shuangyu Li
  • Publication number: 20180254003
    Abstract: A display data transmission method and apparatus, and a display panel drive method and apparatus are provided. The display data transmission method is provided for transmitting display data to a display panel having a plurality of pixels. The display data transmission method comprises: calculating transmission data comprising an initial value and a plurality of sequential values, each value corresponding to a pixel of the plurality of pixels of the display panel; each of the sequential values being a difference value between a gray scale value of the corresponding pixel and a gray scale value of an adjacent previous pixel; and transmitting the transmission data to the display panel.
    Type: Application
    Filed: June 26, 2015
    Publication date: September 6, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lei Dai, Taehyum Kim, Xiuzhu Tang
  • Publication number: 20180240425
    Abstract: The present disclosure provides a display drive circuit for driving a display panel having a plurality of pixels. The display drive circuit comprises a stepping unit, configured to shape a gate voltage signal to compensate for pixel-to-pixel charging variations to thereby reduce luminance variations on the display panel. The display drive circuit can further include a time sequence control unit and a modulation unit. The time sequence control unit can be coupled to the modulation unit, and can be configured to generate a first control signal; and the modulation unit can be configured to utilize the first control signal to modulate a preset signal to thereby generate a second control signal; and the stepping unit can be coupled to the modulation unit, and can be configured to shape the gate voltage signal based on the second control signal prior to outputting the gate voltage signal.
    Type: Application
    Filed: September 12, 2016
    Publication date: August 23, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shuai CHEN, Zhi ZHANG, Siqing FU, Lisheng LIANG, Xianyong GAO, Jianghong WEN, Qian QIAN, Xiuzhu TANG, Zhihui WANG, Lei CHEN, Taoliang TANG, Gang CHEN
  • Patent number: 9972272
    Abstract: The invention discloses an array substrate and a driving method thereof, and a display device, and the array substrate includes: a common voltage generation unit, a timing control unit, a data voltage generation unit, a switch control unit and pixel units, wherein the switch control unit is connected to the common voltage generation unit, the timing control unit, the data voltage generation unit, the common voltage line and the data line, and the switch control unit is used to load a common voltage signal on the common voltage line and load a data voltage signal on the data line when a current frame of image is displayed, and load the common voltage signal on the data line and load the data voltage signal on the common voltage line when a next frame of image is displayed.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: May 15, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zihe Zhang, Bin Ji, Xiuzhu Tang
  • Patent number: 9804705
    Abstract: The present disclosure provides a flexible printed circuit board (FPCB), a method for manufacturing the FPCB, and a capacitive touch display device with the FPCB. The FPCB comprises an FPCB substrate and a common electrode voltage (VCOM) filter circuit arranged on the FPCB substrate. The FPCB further includes one or more filter units. the filter units comprises: a conduction layer, arranged on the FPCB substrate and electrically connected to a VCOM output end of the VCOM filter circuit; an isolation layer, arranged on the conduction layer; and a shielding film, which is grounded, arranged on the isolation layer and arranged parallel with the conduction layer.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: October 31, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiuzhu Tang, Bin Ji
  • Publication number: 20170076648
    Abstract: There are provided a Gamma voltage generating circuit, a driving unit, a display apparatus and a chromaticity coordinate adjusting method. The Gamma voltage generating circuit includes: a voltage reducing unit configured to reduce an inputted source voltage to obtain an initial voltage of a Gamma voltage; a voltage dividing unit configured to divide the initial voltage of the Gamma voltage to generate respective scales of Gamma voltages; and a voltage increasing unit configured to produce an additional voltage signal, and the additional voltage signal produced by the voltage increasing unit is used to be superimposed on the initial voltage of the Gamma voltage. The Gamma voltage generating circuit is capable of adjusting chromaticity coordinate to make display effect of the display apparatus consistent, and would not reduce luminance of a white picture accordingly.
    Type: Application
    Filed: September 21, 2015
    Publication date: March 16, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chuanyan LAN, Xiuzhu TANG, Fucheng YANG
  • Publication number: 20160246445
    Abstract: The present disclosure provides a flexible printed circuit board (FPCB), a method for manufacturing the FPCB, and a capacitive touch display device with the FPCB. The FPCB comprises an FPCB substrate and a common electrode voltage (VCOM) filter circuit arranged on the FPCB substrate. The FPCB further includes one or more filter units. the filter units comprises: a conduction layer, arranged on the FPCB substrate and electrically connected to a VCOM output end of the VCOM filter circuit; an isolation layer, arranged on the conduction layer; and a shielding film, which is grounded, arranged on the isolation layer and arranged parallel with the conduction layer.
    Type: Application
    Filed: August 29, 2014
    Publication date: August 25, 2016
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiuzhu TANG, Bin JI
  • Publication number: 20150379966
    Abstract: The invention discloses an array substrate and a driving method thereof, and a display device, and the array substrate includes: a common voltage generation unit, a timing control unit, a data voltage generation unit, a switch control unit and pixel units, wherein the switch control unit is connected to the common voltage generation unit, the timing control unit, the data voltage generation unit, the common voltage line and the data line, and the switch control unit is used to load a common voltage signal on the common voltage line and load a data voltage signal on the data line when a current frame of image is displayed, and load the common voltage signal on the data line and load the data voltage signal on the common voltage line when a next frame of image is displayed.
    Type: Application
    Filed: November 13, 2014
    Publication date: December 31, 2015
    Inventors: Zihe ZHANG, Bin JI, Xiuzhu TANG